Finding the Fourth Proportional to 2,268.47, 3,139.49 and 2,213.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,268.47 : 3,139.49 = 2,213.93 : x
2. Step 2: Convert to fraction form
   2,268.47/3,139.49 = 2,213.93/x
3. Step 3: Cross multiply
   2,268.47x = 3,139.49 × 2,213.93
4. Step 4: Simplify right side
   2,268.47x = 6,950,611.10
5. Step 5: Solve for x
   x = 6,950,611.10/2,268.47
6. Step 6: Final answer
   x = 3,064.01